1)
What is the connection between their fat and speaking with pride?
1.
Rashi: Their Chelev and fat closed their hearts and eyes from seeing Your acts, to fear You.
2.
Radak: Their fat closed their mouths. Therefore, "they spoke with pride 1 ", amidst pleasures.
3.
Malbim: It is as if Chelev closed their mouths, so speech cannot leave their mouths, only from the Chelev around the mouth, and the Chelev says the following.
1
Even if "Sagru" refers to "Pimo" (the Asnachta under Sagru implies that it does not), how does closing their mouths cause them to speak with pride? (PF)